The Labeda Addiction XXX Grip wheel is a limited edition version of the popular original 608 Addiction wheel that come in custom color schemes. The Black Addiction is featured on the Bauer APXR skate and the Green Addiction is featured on the Reebok 11K skate. Although the Addiction wheel is designed for indoor surfaces like Sport Courts, it has an outer urethane hardness between 83-86A! Yup, the Addiction is an indoor wheel with a hardness that is harder than most outdoor wheels. So you can rest assured that durability and speed is not going to be an issue and that this will be an incredible set of wheels. The grip, how about the grip? Don't worry, Labeda's secret urethane combination sauce recipe and inner core design deliver unbelievable grip.